这块材料的韧性很好。
zhè kuài cáiliào de rènxìng hěnhǎo 。
The toughness of this material is very good.
他在比赛中表现出了极强的韧性。
tāzài bǐsài zhōng biǎoxiàn chūle jí qiáng de rènxìng 。
He showed great toughness during the competition.
韧性是这项工程材料的重要特性。
rènxìng shì zhèxiàng gōngchéng cáiliào de zhòngyào tèxìng 。
Toughness is an important characteristic of the materials used in this project.